csprogs.c

   1 #include "quakedef.h"
   2 #include "progsvm.h"
   3 #include "clprogdefs.h"
   4 #include "csprogs.h"
   5 #include "cl_collision.h"
   6 #include "snd_main.h"
   7 #include "clvm_cmds.h"
   8 #include "prvm_cmds.h"
   9
  10 //============================================================================
  11 // Client prog handling
  12 //[515]: omg !!! optimize it ! a lot of hacks here and there also :P
  13
  14 #define CSQC_RETURNVAL  prog->globals.generic[OFS_RETURN]
  15 #define CSQC_BEGIN
  16 #define CSQC_END
  17
  18 void CL_VM_PreventInformationLeaks(void)
  19 {
  20         prvm_prog_t *prog = CLVM_prog;
  21         if(!cl.csqc_loaded)
  22                 return;
  23         CSQC_BEGIN
  24                 VM_ClearTraceGlobals(prog);
  25                 PRVM_clientglobalfloat(trace_networkentity) = 0;
  26         CSQC_END
  27 }
  28
  29 //[515]: these are required funcs
  30 static const char *cl_required_func[] =
  31 {
  32         "CSQC_Init",
  33         "CSQC_InputEvent",
  34         "CSQC_UpdateView",
  35         "CSQC_ConsoleCommand",
  36 };
  37
  38 static int cl_numrequiredfunc = sizeof(cl_required_func) / sizeof(char*);
  39
  40 #define CL_REQFIELDS (sizeof(cl_reqfields) / sizeof(prvm_required_field_t))
  41
  42 prvm_required_field_t cl_reqfields[] =
  43 {
  44 #define PRVM_DECLARE_serverglobalfloat(x)
  45 #define PRVM_DECLARE_serverglobalvector(x)
  46 #define PRVM_DECLARE_serverglobalstring(x)
  47 #define PRVM_DECLARE_serverglobaledict(x)
  48 #define PRVM_DECLARE_serverglobalfunction(x)
  49 #define PRVM_DECLARE_clientglobalfloat(x)
  50 #define PRVM_DECLARE_clientglobalvector(x)
  51 #define PRVM_DECLARE_clientglobalstring(x)
  52 #define PRVM_DECLARE_clientglobaledict(x)
  53 #define PRVM_DECLARE_clientglobalfunction(x)
  54 #define PRVM_DECLARE_menuglobalfloat(x)
  55 #define PRVM_DECLARE_menuglobalvector(x)
  56 #define PRVM_DECLARE_menuglobalstring(x)
  57 #define PRVM_DECLARE_menuglobaledict(x)
  58 #define PRVM_DECLARE_menuglobalfunction(x)
  59 #define PRVM_DECLARE_serverfieldfloat(x)
  60 #define PRVM_DECLARE_serverfieldvector(x)
  61 #define PRVM_DECLARE_serverfieldstring(x)
  62 #define PRVM_DECLARE_serverfieldedict(x)
  63 #define PRVM_DECLARE_serverfieldfunction(x)
  64 #define PRVM_DECLARE_clientfieldfloat(x) {ev_float, #x },
  65 #define PRVM_DECLARE_clientfieldvector(x) {ev_vector, #x },
  66 #define PRVM_DECLARE_clientfieldstring(x) {ev_string, #x },
  67 #define PRVM_DECLARE_clientfieldedict(x) {ev_entity, #x },
  68 #define PRVM_DECLARE_clientfieldfunction(x) {ev_function, #x },
  69 #define PRVM_DECLARE_menufieldfloat(x)
  70 #define PRVM_DECLARE_menufieldvector(x)
  71 #define PRVM_DECLARE_menufieldstring(x)
  72 #define PRVM_DECLARE_menufieldedict(x)
  73 #define PRVM_DECLARE_menufieldfunction(x)
  74 #define PRVM_DECLARE_serverfunction(x)
  75 #define PRVM_DECLARE_clientfunction(x)
  76 #define PRVM_DECLARE_menufunction(x)
  77 #define PRVM_DECLARE_field(x)
  78 #define PRVM_DECLARE_global(x)
  79 #define PRVM_DECLARE_function(x)
  80 #include "prvm_offsets.h"
  81 #undef PRVM_DECLARE_serverglobalfloat
  82 #undef PRVM_DECLARE_serverglobalvector
  83 #undef PRVM_DECLARE_serverglobalstring
  84 #undef PRVM_DECLARE_serverglobaledict
  85 #undef PRVM_DECLARE_serverglobalfunction
  86 #undef PRVM_DECLARE_clientglobalfloat
  87 #undef PRVM_DECLARE_clientglobalvector
  88 #undef PRVM_DECLARE_clientglobalstring
  89 #undef PRVM_DECLARE_clientglobaledict
  90 #undef PRVM_DECLARE_clientglobalfunction
  91 #undef PRVM_DECLARE_menuglobalfloat
  92 #undef PRVM_DECLARE_menuglobalvector
  93 #undef PRVM_DECLARE_menuglobalstring
  94 #undef PRVM_DECLARE_menuglobaledict
  95 #undef PRVM_DECLARE_menuglobalfunction
  96 #undef PRVM_DECLARE_serverfieldfloat
  97 #undef PRVM_DECLARE_serverfieldvector
  98 #undef PRVM_DECLARE_serverfieldstring
  99 #undef PRVM_DECLARE_serverfieldedict
 100 #undef PRVM_DECLARE_serverfieldfunction
 101 #undef PRVM_DECLARE_clientfieldfloat
 102 #undef PRVM_DECLARE_clientfieldvector
 103 #undef PRVM_DECLARE_clientfieldstring
 104 #undef PRVM_DECLARE_clientfieldedict
 105 #undef PRVM_DECLARE_clientfieldfunction
 106 #undef PRVM_DECLARE_menufieldfloat
 107 #undef PRVM_DECLARE_menufieldvector
 108 #undef PRVM_DECLARE_menufieldstring
 109 #undef PRVM_DECLARE_menufieldedict
 110 #undef PRVM_DECLARE_menufieldfunction
 111 #undef PRVM_DECLARE_serverfunction
 112 #undef PRVM_DECLARE_clientfunction
 113 #undef PRVM_DECLARE_menufunction
 114 #undef PRVM_DECLARE_field
 115 #undef PRVM_DECLARE_global
 116 #undef PRVM_DECLARE_function
 117 };
 118
 119 #define CL_REQGLOBALS (sizeof(cl_reqglobals) / sizeof(prvm_required_field_t))
 120
 121 prvm_required_field_t cl_reqglobals[] =
 122 {
 123 #define PRVM_DECLARE_serverglobalfloat(x)
 124 #define PRVM_DECLARE_serverglobalvector(x)
 125 #define PRVM_DECLARE_serverglobalstring(x)
 126 #define PRVM_DECLARE_serverglobaledict(x)
 127 #define PRVM_DECLARE_serverglobalfunction(x)
 128 #define PRVM_DECLARE_clientglobalfloat(x) {ev_float, #x},
 129 #define PRVM_DECLARE_clientglobalvector(x) {ev_vector, #x},
 130 #define PRVM_DECLARE_clientglobalstring(x) {ev_string, #x},
 131 #define PRVM_DECLARE_clientglobaledict(x) {ev_entity, #x},
 132 #define PRVM_DECLARE_clientglobalfunction(x) {ev_function, #x},
 133 #define PRVM_DECLARE_menuglobalfloat(x)
 134 #define PRVM_DECLARE_menuglobalvector(x)
 135 #define PRVM_DECLARE_menuglobalstring(x)
 136 #define PRVM_DECLARE_menuglobaledict(x)
 137 #define PRVM_DECLARE_menuglobalfunction(x)
 138 #define PRVM_DECLARE_serverfieldfloat(x)
 139 #define PRVM_DECLARE_serverfieldvector(x)
 140 #define PRVM_DECLARE_serverfieldstring(x)
 141 #define PRVM_DECLARE_serverfieldedict(x)
 142 #define PRVM_DECLARE_serverfieldfunction(x)
 143 #define PRVM_DECLARE_clientfieldfloat(x)
 144 #define PRVM_DECLARE_clientfieldvector(x)
 145 #define PRVM_DECLARE_clientfieldstring(x)
 146 #define PRVM_DECLARE_clientfieldedict(x)
 147 #define PRVM_DECLARE_clientfieldfunction(x)
 148 #define PRVM_DECLARE_menufieldfloat(x)
 149 #define PRVM_DECLARE_menufieldvector(x)
 150 #define PRVM_DECLARE_menufieldstring(x)
 151 #define PRVM_DECLARE_menufieldedict(x)
 152 #define PRVM_DECLARE_menufieldfunction(x)
 153 #define PRVM_DECLARE_serverfunction(x)
 154 #define PRVM_DECLARE_clientfunction(x)
 155 #define PRVM_DECLARE_menufunction(x)
 156 #define PRVM_DECLARE_field(x)
 157 #define PRVM_DECLARE_global(x)
 158 #define PRVM_DECLARE_function(x)
 159 #include "prvm_offsets.h"
 160 #undef PRVM_DECLARE_serverglobalfloat
 161 #undef PRVM_DECLARE_serverglobalvector
 162 #undef PRVM_DECLARE_serverglobalstring
 163 #undef PRVM_DECLARE_serverglobaledict
 164 #undef PRVM_DECLARE_serverglobalfunction
 165 #undef PRVM_DECLARE_clientglobalfloat
 166 #undef PRVM_DECLARE_clientglobalvector
 167 #undef PRVM_DECLARE_clientglobalstring
 168 #undef PRVM_DECLARE_clientglobaledict
 169 #undef PRVM_DECLARE_clientglobalfunction
 170 #undef PRVM_DECLARE_menuglobalfloat
 171 #undef PRVM_DECLARE_menuglobalvector
 172 #undef PRVM_DECLARE_menuglobalstring
 173 #undef PRVM_DECLARE_menuglobaledict
 174 #undef PRVM_DECLARE_menuglobalfunction
 175 #undef PRVM_DECLARE_serverfieldfloat
 176 #undef PRVM_DECLARE_serverfieldvector
 177 #undef PRVM_DECLARE_serverfieldstring
 178 #undef PRVM_DECLARE_serverfieldedict
 179 #undef PRVM_DECLARE_serverfieldfunction
 180 #undef PRVM_DECLARE_clientfieldfloat
 181 #undef PRVM_DECLARE_clientfieldvector
 182 #undef PRVM_DECLARE_clientfieldstring
 183 #undef PRVM_DECLARE_clientfieldedict
 184 #undef PRVM_DECLARE_clientfieldfunction
 185 #undef PRVM_DECLARE_menufieldfloat
 186 #undef PRVM_DECLARE_menufieldvector
 187 #undef PRVM_DECLARE_menufieldstring
 188 #undef PRVM_DECLARE_menufieldedict
 189 #undef PRVM_DECLARE_menufieldfunction
 190 #undef PRVM_DECLARE_serverfunction
 191 #undef PRVM_DECLARE_clientfunction
 192 #undef PRVM_DECLARE_menufunction
 193 #undef PRVM_DECLARE_field
 194 #undef PRVM_DECLARE_global
 195 #undef PRVM_DECLARE_function
 196 };
 197
 198 void CL_VM_UpdateDmgGlobals (int dmg_take, int dmg_save, vec3_t dmg_origin)
 199 {
 200         prvm_prog_t *prog = CLVM_prog;
 201         if(cl.csqc_loaded)
 202         {
 203                 CSQC_BEGIN
 204                 PRVM_clientglobalfloat(dmg_take) = dmg_take;
 205                 PRVM_clientglobalfloat(dmg_save) = dmg_save;
 206                 VectorCopy(dmg_origin, PRVM_clientglobalvector(dmg_origin));
 207                 CSQC_END
 208         }
 209 }
 210
 211 void CSQC_UpdateNetworkTimes(double newtime, double oldtime)
 212 {
 213         prvm_prog_t *prog = CLVM_prog;
 214         if(!cl.csqc_loaded)
 215                 return;
 216         CSQC_BEGIN
 217         PRVM_clientglobalfloat(servertime) = newtime;
 218         PRVM_clientglobalfloat(serverprevtime) = oldtime;
 219         PRVM_clientglobalfloat(serverdeltatime) = newtime - oldtime;
 220         CSQC_END
 221 }
 222
 223 //[515]: set globals before calling R_UpdateView, WEIRD CRAP
 224 static void CSQC_SetGlobals (void)
 225 {
 226         prvm_prog_t *prog = CLVM_prog;
 227         CSQC_BEGIN
 228                 PRVM_clientglobalfloat(time) = cl.time;
 229                 PRVM_clientglobalfloat(frametime) = max(0, cl.time - cl.oldtime);
 230                 PRVM_clientglobalfloat(servercommandframe) = cls.servermovesequence;
 231                 PRVM_clientglobalfloat(clientcommandframe) = cl.movecmd[0].sequence;
 232                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(input_angles));
 233                 // // FIXME: this actually belongs into getinputstate().. [12/17/2007 Black]
 234                 PRVM_clientglobalfloat(input_buttons) = cl.movecmd[0].buttons;
 235                 VectorSet(PRVM_clientglobalvector(input_movevalues), cl.movecmd[0].forwardmove, cl.movecmd[0].sidemove, cl.movecmd[0].upmove);
 236                 VectorCopy(cl.csqc_vieworiginfromengine, cl.csqc_vieworigin);
 237                 VectorCopy(cl.csqc_viewanglesfromengine, cl.csqc_viewangles);
 238
 239                 // LordHavoc: Spike says not to do this, but without pmove_org the
 240                 // CSQC is useless as it can't alter the view origin without
 241                 // completely replacing it
 242                 Matrix4x4_OriginFromMatrix(&cl.entities[cl.viewentity].render.matrix, PRVM_clientglobalvector(pmove_org));
 243                 VectorCopy(cl.movement_velocity, PRVM_clientglobalvector(pmove_vel));
 244                 PRVM_clientglobalfloat(pmove_onground) = cl.onground;
 245                 PRVM_clientglobalfloat(pmove_inwater) = cl.inwater;
 246
 247                 VectorCopy(cl.viewangles, PRVM_clientglobalvector(view_angles));
 248                 VectorCopy(cl.punchangle, PRVM_clientglobalvector(view_punchangle));
 249                 VectorCopy(cl.punchvector, PRVM_clientglobalvector(view_punchvector));
 250                 PRVM_clientglobalfloat(maxclients) = cl.maxclients;
 251
 252                 CSQC_R_RecalcView();
 253         CSQC_END
 254 }
 255
 256 void CSQC_Predraw (prvm_edict_t *ed)
 257 {
 258         prvm_prog_t *prog = CLVM_prog;
 259         int b;
 260         if(!PRVM_clientedictfunction(ed, predraw))
 261                 return;
 262         b = PRVM_clientglobaledict(self);
 263         PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 264         prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, predraw), "CSQC_Predraw: NULL function\n");
 265         PRVM_clientglobaledict(self) = b;
 266 }
 267
 268 void CSQC_Think (prvm_edict_t *ed)
 269 {
 270         prvm_prog_t *prog = CLVM_prog;
 271         int b;
 272         if(PRVM_clientedictfunction(ed, think))
 273         if(PRVM_clientedictfloat(ed, nextthink) && PRVM_clientedictfloat(ed, nextthink) <= PRVM_clientglobalfloat(time))
 274         {
 275                 PRVM_clientedictfloat(ed, nextthink) = 0;
 276                 b = PRVM_clientglobaledict(self);
 277                 PRVM_clientglobaledict(self) = PRVM_EDICT_TO_PROG(ed);
 278                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, think), "CSQC_Think: NULL function\n");
 279                 PRVM_clientglobaledict(self) = b;
 280         }
 281 }
 282
 283 extern cvar_t cl_noplayershadow;
 284 extern cvar_t r_equalize_entities_fullbright;
 285 qboolean CSQC_AddRenderEdict(prvm_edict_t *ed, int edictnum)
 286 {
 287         prvm_prog_t *prog = CLVM_prog;
 288         int renderflags;
 289         int c;
 290         float scale;
 291         entity_render_t *entrender;
 292         dp_model_t *model;
 293
 294         model = CL_GetModelFromEdict(ed);
 295         if (!model)
 296                 return false;
 297
 298         if (edictnum)
 299         {
 300                 if (r_refdef.scene.numentities >= r_refdef.scene.maxentities)
 301                         return false;
 302                 entrender = cl.csqcrenderentities + edictnum;
 303                 r_refdef.scene.entities[r_refdef.scene.numentities++] = entrender;
 304                 entrender->entitynumber = edictnum + MAX_EDICTS;
 305                 //entrender->shadertime = 0; // shadertime was set by spawn()
 306                 entrender->flags = 0;
 307                 entrender->effects = 0;
 308                 entrender->alpha = 1;
 309                 entrender->scale = 1;
 310                 VectorSet(entrender->colormod, 1, 1, 1);
 311                 VectorSet(entrender->glowmod, 1, 1, 1);
 312                 entrender->allowdecals = true;
 313         }
 314         else
 315         {
 316                 entrender = CL_NewTempEntity(0);
 317                 if (!entrender)
 318                         return false;
 319         }
 320
 321         entrender->userwavefunc_param[0] = PRVM_clientedictfloat(ed, userwavefunc_param0);
 322         entrender->userwavefunc_param[1] = PRVM_clientedictfloat(ed, userwavefunc_param1);
 323         entrender->userwavefunc_param[2] = PRVM_clientedictfloat(ed, userwavefunc_param2);
 324         entrender->userwavefunc_param[3] = PRVM_clientedictfloat(ed, userwavefunc_param3);
 325
 326         entrender->model = model;
 327         entrender->skinnum = (int)PRVM_clientedictfloat(ed, skin);
 328         entrender->effects |= entrender->model->effects;
 329         renderflags = (int)PRVM_clientedictfloat(ed, renderflags);
 330         entrender->alpha = PRVM_clientedictfloat(ed, alpha);
 331         entrender->scale = scale = PRVM_clientedictfloat(ed, scale);
 332         VectorCopy(PRVM_clientedictvector(ed, colormod), entrender->colormod);
 333         VectorCopy(PRVM_clientedictvector(ed, glowmod), entrender->glowmod);
 334         if(PRVM_clientedictfloat(ed, effects))  entrender->effects |= (int)PRVM_clientedictfloat(ed, effects);
 335         if (!entrender->alpha)
 336                 entrender->alpha = 1.0f;
 337         if (!entrender->scale)
 338                 entrender->scale = scale = 1.0f;
 339         if (!VectorLength2(entrender->colormod))
 340                 VectorSet(entrender->colormod, 1, 1, 1);
 341         if (!VectorLength2(entrender->glowmod))
 342                 VectorSet(entrender->glowmod, 1, 1, 1);
 343
 344         // LordHavoc: use the CL_GetTagMatrix function on self to ensure consistent behavior (duplicate code would be bad)
 345         CL_GetTagMatrix(prog, &entrender->matrix, ed, 0);
 346
 347         // set up the animation data
 348         VM_GenerateFrameGroupBlend(prog, ed->priv.server->framegroupblend, ed);
 349         VM_FrameBlendFromFrameGroupBlend(ed->priv.server->frameblend, ed->priv.server->framegroupblend, model);
 350         VM_UpdateEdictSkeleton(prog, ed, model, ed->priv.server->frameblend);
 351         if (PRVM_clientedictfloat(ed, shadertime)) // hack for csprogs.dat files that do not set shadertime, leaves the value at entity spawn time
 352                 entrender->shadertime = PRVM_clientedictfloat(ed, shadertime);
 353
 354         // transparent offset
 355         if (renderflags & RF_USETRANSPARENTOFFSET)
 356                 entrender->transparent_offset = PRVM_clientglobalfloat(transparent_offset);
 357
 358         // model light
 359         if (renderflags & RF_MODELLIGHT)
 360         {
 361                 if(PRVM_clientedictvector(ed, modellight_ambient)) VectorCopy(PRVM_clientedictvector(ed, modellight_ambient), entrender->modellight_ambient);
 362                 if(PRVM_clientedictvector(ed, modellight_diffuse)) VectorCopy(PRVM_clientedictvector(ed, modellight_diffuse), entrender->modellight_diffuse);
 363                 if(PRVM_clientedictvector(ed, modellight_dir))     VectorCopy(PRVM_clientedictvector(ed, modellight_dir), entrender->modellight_lightdir);
 364                 entrender->flags |= RENDER_CUSTOMIZEDMODELLIGHT;
 365         }
 366
 367         if(renderflags)
 368         {
 369                 if(renderflags & RF_VIEWMODEL) entrender->flags |= RENDER_VIEWMODEL | RENDER_NODEPTHTEST;
 370                 if(renderflags & RF_EXTERNALMODEL) entrender->flags |= RENDER_EXTERIORMODEL;
 371                 if(renderflags & RF_WORLDOBJECT) entrender->flags |= RENDER_WORLDOBJECT;
 372                 if(renderflags & RF_DEPTHHACK) entrender->flags |= RENDER_NODEPTHTEST;
 373                 if(renderflags & RF_ADDITIVE) entrender->flags |= RENDER_ADDITIVE;
 374         }
 375
 376         // walk attachments to find RENDER_EXTERIORMODEL status
 377         {
 378                 prvm_edict_t *ent = ed;
 379                 prvm_edict_t *v = PRVM_EDICT_NUM(CL_VM_GetViewEntity());
 380                 int attachloop = 0;
 381                 for(;;)
 382                 {
 383                         if(attachloop >= 256)
 384                                 break;
 385                         if(ent == v)
 386                         {
 387                                 entrender->flags |= RENDER_EXTERIORMODEL;
 388                                 break;
 389                         }
 390                         if (PRVM_clientedictedict(ent, tag_entity))
 391                                 ent = PRVM_EDICT_NUM(PRVM_clientedictedict(ent, tag_entity));
 392                         else
 393                                 break;
 394                         attachloop++;
 395                 }
 396         }
 397
 398         c = (int)PRVM_clientedictfloat(ed, colormap);
 399         if (c <= 0)
 400                 CL_SetEntityColormapColors(entrender, -1);
 401         else if (c <= cl.maxclients && cl.scores != NULL)
 402                 CL_SetEntityColormapColors(entrender, cl.scores[c-1].colors);
 403         else
 404                 CL_SetEntityColormapColors(entrender, c);
 405
 406         entrender->flags &= ~(RENDER_SHADOW | RENDER_LIGHT | RENDER_NOSELFSHADOW);
 407         // either fullbright or lit
 408         if(!r_fullbright.integer)
 409         {
 410                 if (!(entrender->effects & EF_FULLBRIGHT) && !(renderflags & RF_FULLBRIGHT))
 411                         entrender->flags |= RENDER_LIGHT;
 412                 else if(r_equalize_entities_fullbright.integer)
 413                         entrender->flags |= RENDER_LIGHT | RENDER_EQUALIZE;
 414         }
 415         // hide player shadow during intermission or nehahra movie
 416         if (!(entrender->effects & (EF_NOSHADOW | EF_ADDITIVE | EF_NODEPTHTEST))
 417          &&  (entrender->alpha >= 1)
 418          && !(renderflags & RF_NOSHADOW)
 419          && !(entrender->flags & RENDER_VIEWMODEL)
 420          && (!(entrender->flags & RENDER_EXTERIORMODEL) || (!cl.intermission && cls.protocol != PROTOCOL_NEHAHRAMOVIE && !cl_noplayershadow.integer)))
 421                 entrender->flags |= RENDER_SHADOW;
 422         if (entrender->flags & RENDER_VIEWMODEL)
 423                 entrender->flags |= RENDER_NOSELFSHADOW;
 424         if (entrender->effects & EF_NOSELFSHADOW)
 425                 entrender->flags |= RENDER_NOSELFSHADOW;
 426         if (entrender->effects & EF_NODEPTHTEST)
 427                 entrender->flags |= RENDER_NODEPTHTEST;
 428         if (entrender->effects & EF_ADDITIVE)
 429                 entrender->flags |= RENDER_ADDITIVE;
 430         if (entrender->effects & EF_DOUBLESIDED)
 431                 entrender->flags |= RENDER_DOUBLESIDED;
 432
 433         // make the other useful stuff
 434         memcpy(entrender->framegroupblend, ed->priv.server->framegroupblend, sizeof(ed->priv.server->framegroupblend));
 435         CL_UpdateRenderEntity(entrender);
 436         // override animation data with full control
 437         memcpy(entrender->frameblend, ed->priv.server->frameblend, sizeof(ed->priv.server->frameblend));
 438         if (ed->priv.server->skeleton.relativetransforms)
 439                 entrender->skeleton = &ed->priv.server->skeleton;
 440         else
 441                 entrender->skeleton = NULL;
 442
 443         return true;
 444 }
 445
 446 // 0 = keydown, key, character (EXT_CSQC)
 447 // 1 = keyup, key, character (EXT_CSQC)
 448 // 2 = mousemove relative, x, y (EXT_CSQC)
 449 // 3 = mousemove absolute, x, y (DP_CSQC)
 450 qboolean CL_VM_InputEvent (int eventtype, int x, int y)
 451 {
 452         prvm_prog_t *prog = CLVM_prog;
 453         qboolean r;
 454
 455         if(!cl.csqc_loaded)
 456                 return false;
 457
 458         CSQC_BEGIN
 459                 if (!PRVM_clientfunction(CSQC_InputEvent))
 460                         r = false;
 461                 else
 462                 {
 463                         PRVM_clientglobalfloat(time) = cl.time;
 464                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 465                         PRVM_G_FLOAT(OFS_PARM0) = eventtype;
 466                         PRVM_G_FLOAT(OFS_PARM1) = x; // key or x
 467                         PRVM_G_FLOAT(OFS_PARM2) = y; // ascii or y
 468                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_InputEvent), "QC function CSQC_InputEvent is missing");
 469                         r = CSQC_RETURNVAL != 0;
 470                 }
 471         CSQC_END
 472         return r;
 473 }
 474
 475 extern r_refdef_view_t csqc_original_r_refdef_view;
 476 extern r_refdef_view_t csqc_main_r_refdef_view;
 477 qboolean CL_VM_UpdateView (void)
 478 {
 479         prvm_prog_t *prog = CLVM_prog;
 480         vec3_t emptyvector;
 481         emptyvector[0] = 0;
 482         emptyvector[1] = 0;
 483         emptyvector[2] = 0;
 484 //      vec3_t oldangles;
 485         if(!cl.csqc_loaded)
 486                 return false;
 487         R_TimeReport("pre-UpdateView");
 488         CSQC_BEGIN
 489                 r_refdef.view.ismain = true;
 490                 csqc_original_r_refdef_view = r_refdef.view;
 491                 csqc_main_r_refdef_view = r_refdef.view;
 492                 //VectorCopy(cl.viewangles, oldangles);
 493                 PRVM_clientglobalfloat(time) = cl.time;
 494                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 495                 CSQC_SetGlobals();
 496                 // clear renderable entity and light lists to prevent crashes if the
 497                 // CSQC_UpdateView function does not call R_ClearScene as it should
 498                 r_refdef.scene.numentities = 0;
 499                 r_refdef.scene.numlights = 0;
 500                 // pass in width and height as parameters (EXT_CSQC_1)
 501                 PRVM_G_FLOAT(OFS_PARM0) = vid.width;
 502                 PRVM_G_FLOAT(OFS_PARM1) = vid.height;
 503                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_UpdateView), "QC function CSQC_UpdateView is missing");
 504                 //VectorCopy(oldangles, cl.viewangles);
 505                 // Dresk : Reset Dmg Globals Here
 506                 CL_VM_UpdateDmgGlobals(0, 0, emptyvector);
 507                 r_refdef.view = csqc_main_r_refdef_view;
 508                 R_RenderView_UpdateViewVectors(); // we have to do this, as we undid the scene render doing this for us
 509         CSQC_END
 510
 511         R_TimeReport("UpdateView");
 512         return true;
 513 }
 514
 515 qboolean CL_VM_ConsoleCommand (const char *cmd)
 516 {
 517         prvm_prog_t *prog = CLVM_prog;
 518         int restorevm_tempstringsbuf_cursize;
 519         qboolean r = false;
 520         if(!cl.csqc_loaded)
 521                 return false;
 522         CSQC_BEGIN
 523         if (PRVM_clientfunction(CSQC_ConsoleCommand))
 524         {
 525                 PRVM_clientglobalfloat(time) = cl.time;
 526                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 527                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 528                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, cmd);
 529                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_ConsoleCommand), "QC function CSQC_ConsoleCommand is missing");
 530                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 531                 r = CSQC_RETURNVAL != 0;
 532         }
 533         CSQC_END
 534         return r;
 535 }
 536
 537 qboolean CL_VM_Parse_TempEntity (void)
 538 {
 539         prvm_prog_t *prog = CLVM_prog;
 540         int                     t;
 541         qboolean        r = false;
 542         if(!cl.csqc_loaded)
 543                 return false;
 544         CSQC_BEGIN
 545         if(PRVM_clientfunction(CSQC_Parse_TempEntity))
 546         {
 547                 t = cl_message.readcount;
 548                 PRVM_clientglobalfloat(time) = cl.time;
 549                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 550                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_TempEntity), "QC function CSQC_Parse_TempEntity is missing");
 551                 r = CSQC_RETURNVAL != 0;
 552                 if(!r)
 553                 {
 554                         cl_message.readcount = t;
 555                         cl_message.badread = false;
 556                 }
 557         }
 558         CSQC_END
 559         return r;
 560 }
 561
 562 void CL_VM_Parse_StuffCmd (const char *msg)
 563 {
 564         prvm_prog_t *prog = CLVM_prog;
 565         int restorevm_tempstringsbuf_cursize;
 566         if(msg[0] == 'c')
 567         if(msg[1] == 's')
 568         if(msg[2] == 'q')
 569         if(msg[3] == 'c')
 570         {
 571                 // if this is setting a csqc variable, deprotect csqc_progcrc
 572                 // temporarily so that it can be set by the cvar command,
 573                 // and then reprotect it afterwards
 574                 int crcflags = csqc_progcrc.flags;
 575                 int sizeflags = csqc_progcrc.flags;
 576                 csqc_progcrc.flags &= ~CVAR_READONLY;
 577                 csqc_progsize.flags &= ~CVAR_READONLY;
 578                 Cmd_ExecuteString (msg, src_command, true);
 579                 csqc_progcrc.flags = crcflags;
 580                 csqc_progsize.flags = sizeflags;
 581                 return;
 582         }
 583
 584         if(cls.demoplayback)
 585         if(!strncmp(msg, "curl --clear_autodownload\ncurl --pak --forthismap --as ", 55))
 586         {
 587                 // special handling for map download commands
 588                 // run these commands IMMEDIATELY, instead of waiting for a client frame
 589                 // that way, there is no black screen when playing back demos
 590                 // I know this is a really ugly hack, but I can't think of any better way
 591                 // FIXME find the actual CAUSE of this, and make demo playback WAIT
 592                 // until all maps are loaded, then remove this hack
 593
 594                 char buf[MAX_INPUTLINE];
 595                 const char *p, *q;
 596                 size_t l;
 597
 598                 p = msg;
 599
 600                 for(;;)
 601                 {
 602                         q = strchr(p, '\n');
 603                         if(q)
 604                                 l = q - p;
 605                         else
 606                                 l = strlen(p);
 607                         if(l > sizeof(buf) - 1)
 608                                 l = sizeof(buf) - 1;
 609                         strlcpy(buf, p, l + 1); // strlcpy needs a + 1 as it includes the newline!
 610
 611                         Cmd_ExecuteString(buf, src_command, true);
 612
 613                         p += l;
 614                         if(*p == '\n')
 615                                 ++p; // skip the newline and continue
 616                         else
 617                                 break; // end of string or overflow
 618                 }
 619                 Cmd_ExecuteString("curl --clear_autodownload", src_command, true); // don't inhibit CSQC loading
 620                 return;
 621         }
 622
 623         if(!cl.csqc_loaded)
 624         {
 625                 Cbuf_AddText(msg);
 626                 return;
 627         }
 628         CSQC_BEGIN
 629         if(PRVM_clientfunction(CSQC_Parse_StuffCmd))
 630         {
 631                 PRVM_clientglobalfloat(time) = cl.time;
 632                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 633                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 634                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 635                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_StuffCmd), "QC function CSQC_Parse_StuffCmd is missing");
 636                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 637         }
 638         else
 639                 Cbuf_AddText(msg);
 640         CSQC_END
 641 }
 642
 643 static void CL_VM_Parse_Print (const char *msg)
 644 {
 645         prvm_prog_t *prog = CLVM_prog;
 646         int restorevm_tempstringsbuf_cursize;
 647         PRVM_clientglobalfloat(time) = cl.time;
 648         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 649         restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 650         PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 651         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_Print), "QC function CSQC_Parse_Print is missing");
 652         prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 653 }
 654
 655 void CSQC_AddPrintText (const char *msg)
 656 {
 657         prvm_prog_t *prog = CLVM_prog;
 658         size_t i;
 659         if(!cl.csqc_loaded)
 660         {
 661                 Con_Print(msg);
 662                 return;
 663         }
 664         CSQC_BEGIN
 665         if(PRVM_clientfunction(CSQC_Parse_Print))
 666         {
 667                 // FIXME: is this bugged?
 668                 i = strlen(msg)-1;
 669                 if(msg[i] != '\n' && msg[i] != '\r')
 670                 {
 671                         if(strlen(cl.csqc_printtextbuf)+i >= MAX_INPUTLINE)
 672                         {
 673                                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 674                                 cl.csqc_printtextbuf[0] = 0;
 675                         }
 676                         else
 677                                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 678                         return;
 679                 }
 680                 strlcat(cl.csqc_printtextbuf, msg, MAX_INPUTLINE);
 681                 CL_VM_Parse_Print(cl.csqc_printtextbuf);
 682                 cl.csqc_printtextbuf[0] = 0;
 683         }
 684         else
 685                 Con_Print(msg);
 686         CSQC_END
 687 }
 688
 689 void CL_VM_Parse_CenterPrint (const char *msg)
 690 {
 691         prvm_prog_t *prog = CLVM_prog;
 692         int restorevm_tempstringsbuf_cursize;
 693         if(!cl.csqc_loaded)
 694         {
 695                 SCR_CenterPrint(msg);
 696                 return;
 697         }
 698         CSQC_BEGIN
 699         if(PRVM_clientfunction(CSQC_Parse_CenterPrint))
 700         {
 701                 PRVM_clientglobalfloat(time) = cl.time;
 702                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 703                 restorevm_tempstringsbuf_cursize = prog->tempstringsbuf.cursize;
 704                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(prog, msg);
 705                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Parse_CenterPrint), "QC function CSQC_Parse_CenterPrint is missing");
 706                 prog->tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
 707         }
 708         else
 709                 SCR_CenterPrint(msg);
 710         CSQC_END
 711 }
 712
 713 void CL_VM_UpdateIntermissionState (int intermission)
 714 {
 715         prvm_prog_t *prog = CLVM_prog;
 716         if(cl.csqc_loaded)
 717         {
 718                 CSQC_BEGIN
 719                 PRVM_clientglobalfloat(intermission) = intermission;
 720                 CSQC_END
 721         }
 722 }
 723 void CL_VM_UpdateShowingScoresState (int showingscores)
 724 {
 725         prvm_prog_t *prog = CLVM_prog;
 726         if(cl.csqc_loaded)
 727         {
 728                 CSQC_BEGIN
 729                 PRVM_clientglobalfloat(sb_showscores) = showingscores;
 730                 CSQC_END
 731         }
 732 }
 733 qboolean CL_VM_Event_Sound(int sound_num, float volume, int channel, float attenuation, int ent, vec3_t pos, int flags, float speed)
 734 {
 735         prvm_prog_t *prog = CLVM_prog;
 736         qboolean r = false;
 737         if(cl.csqc_loaded)
 738         {
 739                 CSQC_BEGIN
 740                 if(PRVM_clientfunction(CSQC_Event_Sound))
 741                 {
 742                         PRVM_clientglobalfloat(time) = cl.time;
 743                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 744                         PRVM_G_FLOAT(OFS_PARM0) = ent;
 745                         PRVM_G_FLOAT(OFS_PARM1) = CHAN_ENGINE2USER(channel);
 746                         PRVM_G_INT(OFS_PARM2) = PRVM_SetTempString(prog, cl.sound_name[sound_num] );
 747                         PRVM_G_FLOAT(OFS_PARM3) = volume;
 748                         PRVM_G_FLOAT(OFS_PARM4) = attenuation;
 749                         VectorCopy(pos, PRVM_G_VECTOR(OFS_PARM5) );
 750                         PRVM_G_FLOAT(OFS_PARM6) = speed * 100.0f;
 751                         PRVM_G_FLOAT(OFS_PARM7) = flags; // flags
 752                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event_Sound), "QC function CSQC_Event_Sound is missing");
 753                         r = CSQC_RETURNVAL != 0;
 754                 }
 755                 CSQC_END
 756         }
 757
 758         return r;
 759 }
 760 static void CL_VM_UpdateCoopDeathmatchGlobals (int gametype)
 761 {
 762         prvm_prog_t *prog = CLVM_prog;
 763         // Avoid global names for clean(er) coding
 764         int localcoop;
 765         int localdeathmatch;
 766
 767         if(cl.csqc_loaded)
 768         {
 769                 if(gametype == GAME_COOP)
 770                 {
 771                         localcoop = 1;
 772                         localdeathmatch = 0;
 773                 }
 774                 else
 775                 if(gametype == GAME_DEATHMATCH)
 776                 {
 777                         localcoop = 0;
 778                         localdeathmatch = 1;
 779                 }
 780                 else
 781                 {
 782                         // How did the ServerInfo send an unknown gametype?
 783                         // Better just assign the globals as 0...
 784                         localcoop = 0;
 785                         localdeathmatch = 0;
 786                 }
 787                 CSQC_BEGIN
 788                 PRVM_clientglobalfloat(coop) = localcoop;
 789                 PRVM_clientglobalfloat(deathmatch) = localdeathmatch;
 790                 CSQC_END
 791         }
 792 }
 793 #if 0
 794 static float CL_VM_Event (float event)          //[515]: needed ? I'd say "YES", but don't know for what :D
 795 {
 796         prvm_prog_t *prog = CLVM_prog;
 797         float r = 0;
 798         if(!cl.csqc_loaded)
 799                 return 0;
 800         CSQC_BEGIN
 801         if(PRVM_clientfunction(CSQC_Event))
 802         {
 803                 PRVM_clientglobalfloat(time) = cl.time;
 804                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[cl.playerentity];
 805                 PRVM_G_FLOAT(OFS_PARM0) = event;
 806                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Event), "QC function CSQC_Event is missing");
 807                 r = CSQC_RETURNVAL;
 808         }
 809         CSQC_END
 810         return r;
 811 }
 812 #endif
 813
 814 void CSQC_ReadEntities (void)
 815 {
 816         prvm_prog_t *prog = CLVM_prog;
 817         unsigned short entnum, oldself, realentnum;
 818         if(!cl.csqc_loaded)
 819         {
 820                 Host_Error ("CSQC_ReadEntities: CSQC is not loaded");
 821                 return;
 822         }
 823
 824         CSQC_BEGIN
 825                 PRVM_clientglobalfloat(time) = cl.time;
 826                 oldself = PRVM_clientglobaledict(self);
 827                 while(1)
 828                 {
 829                         entnum = MSG_ReadShort(&cl_message);
 830                         if(!entnum || cl_message.badread)
 831                                 break;
 832                         realentnum = entnum & 0x7FFF;
 833                         PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum];
 834                         if(entnum & 0x8000)
 835                         {
 836                                 if(PRVM_clientglobaledict(self))
 837                                 {
 838                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Remove), "QC function CSQC_Ent_Remove is missing");
 839                                         cl.csqc_server2csqcentitynumber[realentnum] = 0;
 840                                 }
 841                                 else
 842                                 {
 843                                         // LordHavoc: removing an entity that is already gone on
 844                                         // the csqc side is possible for legitimate reasons (such
 845                                         // as a repeat of the remove message), so no warning is
 846                                         // needed
 847                                         //Con_Printf("Bad csqc_server2csqcentitynumber map\n"); //[515]: never happens ?
 848                                 }
 849                         }
 850                         else
 851                         {
 852                                 if(!PRVM_clientglobaledict(self))
 853                                 {
 854                                         if(!PRVM_clientfunction(CSQC_Ent_Spawn))
 855                                         {
 856                                                 prvm_edict_t    *ed;
 857                                                 ed = PRVM_ED_Alloc(prog);
 858                                                 PRVM_clientedictfloat(ed, entnum) = realentnum;
 859                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT_TO_PROG(ed);
 860                                         }
 861                                         else
 862                                         {
 863                                                 // entity( float entnum ) CSQC_Ent_Spawn;
 864                                                 // the qc function should set entnum, too (this way it also can return world [2/1/2008 Andreas]
 865                                                 PRVM_G_FLOAT(OFS_PARM0) = (float) realentnum;
 866                                                 // make sure no one gets wrong ideas
 867                                                 PRVM_clientglobaledict(self) = 0;
 868                                                 prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Spawn), "QC function CSQC_Ent_Spawn is missing");
 869                                                 PRVM_clientglobaledict(self) = cl.csqc_server2csqcentitynumber[realentnum] = PRVM_EDICT( PRVM_G_INT( OFS_RETURN ) );
 870                                         }
 871                                         PRVM_G_FLOAT(OFS_PARM0) = 1;
 872                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 873                                 }
 874                                 else {
 875                                         PRVM_G_FLOAT(OFS_PARM0) = 0;
 876                                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Ent_Update), "QC function CSQC_Ent_Update is missing");
 877                                 }
 878                         }
 879                 }
 880                 PRVM_clientglobaledict(self) = oldself;
 881         CSQC_END
 882 }
 883
 884 static void CLVM_begin_increase_edicts(prvm_prog_t *prog)
 885 {
 886         // links don't survive the transition, so unlink everything
 887         World_UnlinkAll(&cl.world);
 888 }
 889
 890 static void CLVM_end_increase_edicts(prvm_prog_t *prog)
 891 {
 892         int i;
 893         prvm_edict_t *ent;
 894
 895         // link every entity except world
 896         for (i = 1, ent = prog->edicts;i < prog->num_edicts;i++, ent++)
 897                 if (!ent->priv.server->free)
 898                         CL_LinkEdict(ent);
 899 }
 900
 901 static void CLVM_init_edict(prvm_prog_t *prog, prvm_edict_t *e)
 902 {
 903         int edictnum = PRVM_NUM_FOR_EDICT(e);
 904         entity_render_t *entrender;
 905         CL_ExpandCSQCRenderEntities(edictnum);
 906         entrender = cl.csqcrenderentities + edictnum;
 907         e->priv.server->move = false; // don't move on first frame
 908         memset(entrender, 0, sizeof(*entrender));
 909         entrender->shadertime = cl.time;
 910 }
 911
 912 static void CLVM_free_edict(prvm_prog_t *prog, prvm_edict_t *ed)
 913 {
 914         entity_render_t *entrender = cl.csqcrenderentities + PRVM_NUM_FOR_EDICT(ed);
 915         R_DecalSystem_Reset(&entrender->decalsystem);
 916         memset(entrender, 0, sizeof(*entrender));
 917         World_UnlinkEdict(ed);
 918         memset(ed->fields.vp, 0, prog->entityfields * 4);
 919         VM_RemoveEdictSkeleton(prog, ed);
 920         World_Physics_RemoveFromEntity(&cl.world, ed);
 921         World_Physics_RemoveJointFromEntity(&cl.world, ed);
 922 }
 923
 924 static void CLVM_count_edicts(prvm_prog_t *prog)
 925 {
 926         int             i;
 927         prvm_edict_t    *ent;
 928         int             active = 0, models = 0, solid = 0;
 929
 930         for (i=0 ; i<prog->num_edicts ; i++)
 931         {
 932                 ent = PRVM_EDICT_NUM(i);
 933                 if (ent->priv.server->free)
 934                         continue;
 935                 active++;
 936                 if (PRVM_clientedictfloat(ent, solid))
 937                         solid++;
 938                 if (PRVM_clientedictstring(ent, model))
 939                         models++;
 940         }
 941
 942         Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 943         Con_Printf("active    :%3i\n", active);
 944         Con_Printf("view      :%3i\n", models);
 945         Con_Printf("touch     :%3i\n", solid);
 946 }
 947
 948 static qboolean CLVM_load_edict(prvm_prog_t *prog, prvm_edict_t *ent)
 949 {
 950         return true;
 951 }
 952
 953 // returns true if the packet is valid, false if end of file is reached
 954 // used for dumping the CSQC download into demo files
 955 qboolean MakeDownloadPacket(const char *filename, unsigned char *data, size_t len, int crc, int cnt, sizebuf_t *buf, int protocol)
 956 {
 957         int packetsize = buf->maxsize - 7; // byte short long
 958         int npackets = (len + packetsize - 1) / (packetsize);
 959         char vabuf[1024];
 960
 961         if(protocol == PROTOCOL_QUAKEWORLD)
 962                 return false; // CSQC can't run in QW anyway
 963
 964         SZ_Clear(buf);
 965         if(cnt == 0)
 966         {
 967                 MSG_WriteByte(buf, svc_stufftext);
 968                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadbegin %lu %s\n", (unsigned long)len, filename));
 969                 return true;
 970         }
 971         else if(cnt >= 1 && cnt <= npackets)
 972         {
 973                 unsigned long thispacketoffset = (cnt - 1) * packetsize;
 974                 int thispacketsize = len - thispacketoffset;
 975                 if(thispacketsize > packetsize)
 976                         thispacketsize = packetsize;
 977
 978                 MSG_WriteByte(buf, svc_downloaddata);
 979                 MSG_WriteLong(buf, thispacketoffset);
 980                 MSG_WriteShort(buf, thispacketsize);
 981                 SZ_Write(buf, data + thispacketoffset, thispacketsize);
 982
 983                 return true;
 984         }
 985         else if(cnt == npackets + 1)
 986         {
 987                 MSG_WriteByte(buf, svc_stufftext);
 988                 MSG_WriteString(buf, va(vabuf, sizeof(vabuf), "\ncl_downloadfinished %lu %d\n", (unsigned long)len, crc));
 989                 return true;
 990         }
 991         return false;
 992 }
 993
 994 extern cvar_t csqc_usedemoprogs;
 995 void CL_VM_Init (void)
 996 {
 997         prvm_prog_t *prog = CLVM_prog;
 998         const char* csprogsfn = NULL;
 999         unsigned char *csprogsdata = NULL;
1000         fs_offset_t csprogsdatasize = 0;
1001         int csprogsdatacrc, requiredcrc;
1002         int requiredsize;
1003         char vabuf[1024];
1004
1005         // reset csqc_progcrc after reading it, so that changing servers doesn't
1006         // expect csqc on the next server
1007         requiredcrc = csqc_progcrc.integer;
1008         requiredsize = csqc_progsize.integer;
1009         Cvar_SetValueQuick(&csqc_progcrc, -1);
1010         Cvar_SetValueQuick(&csqc_progsize, -1);
1011
1012         // if the server is not requesting a csprogs, then we're done here
1013         if (requiredcrc < 0)
1014                 return;
1015
1016         // see if the requested csprogs.dat file matches the requested crc
1017         csprogsdatacrc = -1;
1018         if (!cls.demoplayback || csqc_usedemoprogs.integer)
1019         {
1020                 csprogsfn = va(vabuf, sizeof(vabuf), "dlcache/%s.%i.%i", csqc_progname.string, requiredsize, requiredcrc);
1021                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1022         }
1023         if (!csprogsdata)
1024         {
1025                 csprogsfn = csqc_progname.string;
1026                 csprogsdata = FS_LoadFile(csprogsfn, tempmempool, true, &csprogsdatasize);
1027         }
1028         if (csprogsdata)
1029         {
1030                 csprogsdatacrc = CRC_Block(csprogsdata, (size_t)csprogsdatasize);
1031                 if (csprogsdatacrc != requiredcrc || csprogsdatasize != requiredsize)
1032                 {
1033                         if (cls.demoplayback)
1034                         {
1035                                 Con_Printf("^1Warning: Your %s is not the same version as the demo was recorded with (CRC/size are %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
1036                                 // Mem_Free(csprogsdata);
1037                                 // return;
1038                                 // We WANT to continue here, and play the demo with different csprogs!
1039                                 // After all, this is just a warning. Sure things may go wrong from here.
1040                         }
1041                         else
1042                         {
1043                                 Mem_Free(csprogsdata);
1044                                 Con_Printf("^1Your %s is not the same version as the server (CRC is %i/%i but should be %i/%i)\n", csqc_progname.string, csprogsdatacrc, (int)csprogsdatasize, requiredcrc, requiredsize);
1045                                 CL_Disconnect();
1046                                 return;
1047                         }
1048                 }
1049         }
1050         else
1051         {
1052                 if (requiredcrc >= 0)
1053                 {
1054                         if (cls.demoplayback)
1055                                 Con_Printf("CL_VM_Init: demo requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1056                         else
1057                                 Con_Printf("CL_VM_Init: server requires CSQC, but \"%s\" wasn't found\n", csqc_progname.string);
1058                         CL_Disconnect();
1059                 }
1060                 return;
1061         }
1062
1063         PRVM_Prog_Init(prog);
1064
1065         // allocate the mempools
1066         prog->progs_mempool = Mem_AllocPool(csqc_progname.string, 0, NULL);
1067         prog->edictprivate_size = 0; // no private struct used
1068         prog->name = "client";
1069         prog->num_edicts = 1;
1070         prog->max_edicts = 512;
1071         prog->limit_edicts = CL_MAX_EDICTS;
1072         prog->reserved_edicts = 0;
1073         prog->edictprivate_size = sizeof(edict_engineprivate_t);
1074         // TODO: add a shared extension string #define and add real support for csqc extension strings [12/5/2007 Black]
1075         prog->extensionstring = vm_sv_extensions;
1076         prog->builtins = vm_cl_builtins;
1077         prog->numbuiltins = vm_cl_numbuiltins;
1078
1079         // all callbacks must be defined (pointers are not checked before calling)
1080         prog->begin_increase_edicts = CLVM_begin_increase_edicts;
1081         prog->end_increase_edicts   = CLVM_end_increase_edicts;
1082         prog->init_edict            = CLVM_init_edict;
1083         prog->free_edict            = CLVM_free_edict;
1084         prog->count_edicts          = CLVM_count_edicts;
1085         prog->load_edict            = CLVM_load_edict;
1086         prog->init_cmd              = CLVM_init_cmd;
1087         prog->reset_cmd             = CLVM_reset_cmd;
1088         prog->error_cmd             = Host_Error;
1089         prog->ExecuteProgram        = CLVM_ExecuteProgram;
1090
1091         PRVM_Prog_Load(prog, csprogsfn, cl_numrequiredfunc, cl_required_func, CL_REQFIELDS, cl_reqfields, CL_REQGLOBALS, cl_reqglobals);
1092
1093         if (!prog->loaded)
1094         {
1095                 Host_Error("CSQC %s ^2failed to load\n", csprogsfn);
1096                 if(!sv.active)
1097                         CL_Disconnect();
1098                 Mem_Free(csprogsdata);
1099                 return;
1100         }
1101
1102         Con_DPrintf("CSQC %s ^5loaded (crc=%i, size=%i)\n", csprogsfn, csprogsdatacrc, (int)csprogsdatasize);
1103
1104         if(cls.demorecording)
1105         {
1106                 if(cls.demo_lastcsprogssize != csprogsdatasize || cls.demo_lastcsprogscrc != csprogsdatacrc)
1107                 {
1108                         int i;
1109                         static char buf[NET_MAXMESSAGE];
1110                         sizebuf_t sb;
1111                         unsigned char *demobuf; fs_offset_t demofilesize;
1112
1113                         sb.data = (unsigned char *) buf;
1114                         sb.maxsize = sizeof(buf);
1115                         i = 0;
1116
1117                         CL_CutDemo(&demobuf, &demofilesize);
1118                         while(MakeDownloadPacket(csqc_progname.string, csprogsdata, (size_t)csprogsdatasize, csprogsdatacrc, i++, &sb, cls.protocol))
1119                                 CL_WriteDemoMessage(&sb);
1120                         CL_PasteDemo(&demobuf, &demofilesize);
1121
1122                         cls.demo_lastcsprogssize = csprogsdatasize;
1123                         cls.demo_lastcsprogscrc = csprogsdatacrc;
1124                 }
1125         }
1126         Mem_Free(csprogsdata);
1127
1128         // check if OP_STATE animation is possible in this dat file
1129         if (prog->fieldoffsets.nextthink >= 0 && prog->fieldoffsets.frame >= 0 && prog->fieldoffsets.think >= 0 && prog->globaloffsets.self >= 0)
1130                 prog->flag |= PRVM_OP_STATE;
1131
1132         // set time
1133         PRVM_clientglobalfloat(time) = cl.time;
1134         PRVM_clientglobaledict(self) = 0;
1135
1136         PRVM_clientglobalstring(mapname) = PRVM_SetEngineString(prog, cl.worldname);
1137         PRVM_clientglobalfloat(player_localentnum) = cl.playerentity;
1138
1139         // set map description (use world entity 0)
1140         PRVM_clientedictstring(prog->edicts, message) = PRVM_SetEngineString(prog, cl.worldmessage);
1141         VectorCopy(cl.world.mins, PRVM_clientedictvector(prog->edicts, mins));
1142         VectorCopy(cl.world.maxs, PRVM_clientedictvector(prog->edicts, maxs));
1143
1144         // call the prog init
1145         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Init), "QC function CSQC_Init is missing");
1146
1147         cl.csqc_loaded = true;
1148
1149         cl.csqc_vidvars.drawcrosshair = false;
1150         cl.csqc_vidvars.drawenginesbar = false;
1151
1152         // Update Coop and Deathmatch Globals (at this point the client knows them from ServerInfo)
1153         CL_VM_UpdateCoopDeathmatchGlobals(cl.gametype);
1154 }
1155
1156 void CL_VM_ShutDown (void)
1157 {
1158         prvm_prog_t *prog = CLVM_prog;
1159         Cmd_ClearCsqcFuncs();
1160         //Cvar_SetValueQuick(&csqc_progcrc, -1);
1161         //Cvar_SetValueQuick(&csqc_progsize, -1);
1162         if(!cl.csqc_loaded)
1163                 return;
1164         CSQC_BEGIN
1165                 PRVM_clientglobalfloat(time) = cl.time;
1166                 PRVM_clientglobaledict(self) = 0;
1167                 if (PRVM_clientfunction(CSQC_Shutdown))
1168                         prog->ExecuteProgram(prog, PRVM_clientfunction(CSQC_Shutdown), "QC function CSQC_Shutdown is missing");
1169                 PRVM_Prog_Reset(prog);
1170         CSQC_END
1171         Con_DPrint("CSQC ^1unloaded\n");
1172         cl.csqc_loaded = false;
1173 }
1174
1175 qboolean CL_VM_GetEntitySoundOrigin(int entnum, vec3_t out)
1176 {
1177         prvm_prog_t *prog = CLVM_prog;
1178         prvm_edict_t *ed;
1179         dp_model_t *mod;
1180         matrix4x4_t matrix;
1181         qboolean r = 0;
1182
1183         CSQC_BEGIN;
1184
1185         // FIXME consider attachments here!
1186
1187         ed = PRVM_EDICT_NUM(entnum - MAX_EDICTS);
1188
1189         if(!ed->priv.required->free)
1190         {
1191                 mod = CL_GetModelFromEdict(ed);
1192                 VectorCopy(PRVM_clientedictvector(ed, origin), out);
1193                 if(CL_GetTagMatrix(prog, &matrix, ed, 0) == 0)
1194                         Matrix4x4_OriginFromMatrix(&matrix, out);
1195                 if (mod && mod->soundfromcenter)
1196                         VectorMAMAM(1.0f, out, 0.5f, mod->normalmins, 0.5f, mod->normalmaxs, out);
1197                 r = 1;
1198         }
1199
1200         CSQC_END;
1201
1202         return r;
1203 }
1204
1205 qboolean CL_VM_TransformView(int entnum, matrix4x4_t *viewmatrix, mplane_t *clipplane, vec3_t visorigin)
1206 {
1207         prvm_prog_t *prog = CLVM_prog;
1208         qboolean ret = false;
1209         prvm_edict_t *ed;
1210         vec3_t forward, left, up, origin, ang;
1211         matrix4x4_t mat, matq;
1212
1213         CSQC_BEGIN
1214                 ed = PRVM_EDICT_NUM(entnum);
1215                 // camera:
1216                 //   camera_transform
1217                 if(PRVM_clientedictfunction(ed, camera_transform))
1218                 {
1219                         ret = true;
1220                         if(viewmatrix || clipplane || visorigin)
1221                         {
1222                                 Matrix4x4_ToVectors(viewmatrix, forward, left, up, origin);
1223                                 AnglesFromVectors(ang, forward, up, false);
1224                                 PRVM_clientglobalfloat(time) = cl.time;
1225                                 PRVM_clientglobaledict(self) = entnum;
1226                                 VectorCopy(origin, PRVM_G_VECTOR(OFS_PARM0));
1227                                 VectorCopy(ang, PRVM_G_VECTOR(OFS_PARM1));
1228                                 VectorCopy(forward, PRVM_clientglobalvector(v_forward));
1229                                 VectorScale(left, -1, PRVM_clientglobalvector(v_right));
1230                                 VectorCopy(up, PRVM_clientglobalvector(v_up));
1231                                 VectorCopy(origin, PRVM_clientglobalvector(trace_endpos));
1232                                 prog->ExecuteProgram(prog, PRVM_clientedictfunction(ed, camera_transform), "QC function e.camera_transform is missing");
1233                                 VectorCopy(PRVM_G_VECTOR(OFS_RETURN), origin);
1234                                 VectorCopy(PRVM_clientglobalvector(v_forward), forward);
1235                                 VectorScale(PRVM_clientglobalvector(v_right), -1, left);
1236                                 VectorCopy(PRVM_clientglobalvector(v_up), up);
1237                                 VectorCopy(PRVM_clientglobalvector(trace_endpos), visorigin);
1238                                 Matrix4x4_Invert_Full(&mat, viewmatrix);
1239                                 Matrix4x4_FromVectors(viewmatrix, forward, left, up, origin);
1240                                 Matrix4x4_Concat(&matq, viewmatrix, &mat);
1241                                 Matrix4x4_TransformPositivePlane(&matq, clipplane->normal[0], clipplane->normal[1], clipplane->normal[2], clipplane->dist, &clipplane->normal[0]);
1242                         }
1243                 }
1244         CSQC_END
1245
1246         return ret;
1247 }
1248
1249 int CL_VM_GetViewEntity(void)
1250 {
1251         if(cl.csqc_server2csqcentitynumber[cl.viewentity])
1252                 return cl.csqc_server2csqcentitynumber[cl.viewentity];
1253         return cl.viewentity;
1254 }